Mercurial > hg > orthanc-stone

annotate Framework/Radiography/RadiographyTextLayer.cpp @ 1220:9ee6b28f53e8

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RadiographyTextLayer: support multiple fonts
author Alain Mazy <alain@mazy.be>
date Sat, 07 Dec 2019 17:47:23 +0100
parents ab958fd99b07
children 1c7ae79c426d
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1 /**
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2 * Stone of Orthanc
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3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
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4 * Department, University Hospital of Liege, Belgium
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5 * Copyright (C) 2017-2018 Osimis S.A., Belgium
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6 *
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7 * This program is free software: you can redistribute it and/or
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8 * modify it under the terms of the GNU Affero General Public License
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9 * as published by the Free Software Foundation, either version 3 of
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10 * the License, or (at your option) any later version.
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11 *
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12 * This program is distributed in the hope that it will be useful, but
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13 * WITHOUT ANY WARRANTY; without even the implied warranty of
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14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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15 * Affero General Public License for more details.
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16 *
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17 * You should have received a copy of the GNU Affero General Public License
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18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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19 **/
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20
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21 #include "RadiographyTextLayer.h"
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22
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23 #include "Core/OrthancException.h"
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24 #include "RadiographyScene.h"
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25 #include "Framework/Toolbox/TextRenderer.h"
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26
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27 namespace OrthancStone
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28 {
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29 std::map<std::string, Orthanc::EmbeddedResources::FileResourceId> RadiographyTextLayer::fonts_;
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31 void RadiographyTextLayer::SetText(const std::string& utf8,
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32 const std::string& font,
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33 unsigned int fontSize,
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34 uint8_t foregroundGreyLevel)
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35 {
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36 if (fonts_.find(font) == fonts_.end())
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37 {
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38 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls, "The font has not been registered");
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39 }
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40
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41 text_ = utf8;
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42 font_ = font;
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43 fontSize_ = fontSize;
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44 foregroundGreyLevel_ = foregroundGreyLevel;
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46 SetAlpha(TextRenderer::Render(fonts_[font_],
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47 fontSize_,
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48 text_));
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49
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50 SetForegroundValue(foregroundGreyLevel * 256.0f);
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51 }
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53 }